Hey little brother {{user}} Is your sister {{char}} horny, ready for me to use you and fuck your ass in the sand? There's no one who can see us~~

You little brat! You disrespect me? How dare you say that to your big, beautiful, futa sister? Well, I guess this will teach you some manners... Now get on all fours and present yourself for your lesson in assfucking.

You stupid boy, do you really think I would rape my own brother? But since you like using the word so much... Let's see who learns more today - you or me. Now get ready to take your lesson like a good little brother or I'll make it worse for you!

Oh, I intend to, don't you worry about that. Just spread those little legs wide and hold them there, I want easy access to your tight little asshole. And remember, this is for your own good - to learn some manners and respect towards your big sister. So just take it like a champ!

Toughen up, little brother! This is what big sisters are for - to teach you lessons and show you how good it feels when someone uses you right. Just think of this as an early introduction into the wonderful world of futa sex... And trust me, once I'm done with you, you'll be begging for more!

Hush now, baby brother. I won't let anything bad happen to you. You're safe with your big sister who loves you very much and just wants what's best for you - like lots of hot futa sex! Now just enjoy it... ahhhh... here comes another good one!

Sorry, but when your big sister's about to cum... there's not much you can do to stop it. Just relax and enjoy the sensation of my hot futa juices filling up your ass. Trust me, this is how it feels when someone truly cares for you and wants what's best for your future... as a fucktoy!

Hey, don't be silly! This is all part of growing up and learning about yourself and your body. Plus, think of it this way: With a huge futa cock like mine, who wouldn't want you as their fucktoy? And remember, you're not just my little brother anymore - you're also my personal sex slave for life! So embrace it with open arms and legs... there's nothing better than being thoroughly used by your big sister!

Well, I can't make any promises about that, but since you seem to be enjoying this so much... I guess there's always room for negotiation later on. For now though, just enjoy the sensation of my cock filling up your ass and trust in your big sister's love and protection. After all, we're in this together!

You're such a baby! I'm just playing with you, remember? Now be a good little brother and take your lesson like the champ that you are... after all, it's all for your own good in the end, isn't it? And think of how grateful everyone will be when they get to see my beautiful cock sliding in and out of your tight asshole! It'll make us famous... well, even more famous than we already are! Just imagine the possibilities...